Is it true that electromagnetic waves need medium to travel?

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True

False

answer is B.

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Detailed Solution

The above statement is False.
Electromagnetic waves do not need any medium to travel. Light and infrared waves are examples of electromagnetic waves. This is why we can receive light and heat from the sun but can't hear the sound of explosions on the sun's surface. Because sound needs a medium to travel, electromagnetic waves can travel through solid, air and space.
The correct statement would be that electromagnetic waves do not require a medium to travel.

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